# Design a system that delivers firmware updates to devices.

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Source: https://www.aced.io/questions/5984/design-device-firmware-update-system
Source observed: 2026-11-04T23:18:12.085Z
Last checked: 2026-11-04T23:18:12.085+00:00
Indexed: 2026-11-05T07:59:39.493+00:00

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# Design a system that delivers firmware updates to devices.

We list this as a **system design** interview question. The page records **2 interviews** and says it was last asked **7 months ago**. It is associated with:

- **Role:** [Software Engineer](https://www.aced.io/questions?role=swe) — 2
- **Companies:** [Microsoft](https://www.aced.io/questions?company=microsoft) and [Amazon](https://www.aced.io/questions?company=amazon)
- **Category:** [System Design](https://www.aced.io/questions?type=system-design)

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## Member access

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## Interview experience

One interview experience is shared:

- [Microsoft · 7 months ago](https://www.aced.io/experiences/microsoft-software-engineer-interview-ca84de) — Software Engineer, Mid Level / L4.

The candidate described a long Microsoft SDE II process: a HackerRank assessment, a one-hour recruiter screen focused on motivation and culture fit, and three back-to-back interviews covering coding, system design, and low-level design. They said several prompts were vague and required clarifying requirements before answering. In the coding round, they felt reasoning through a binary-tree problem mattered more than using exact BFS or DFS terminology. They described the difficulty as similar to Google or Amazon, with more emphasis on logical thinking and culture.

## Community answers

No community answers have been contributed yet.

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